[FIX] *: python 3.8 compatibility

time.clock is deprecated since python 3.3 and no longer exists in python 3.8
time.process_time was introduced in python 3.3

Replace "is" by "==" as this produces a SyntaxWarning in python 3.8

Fixes odoo/odoo#41313

closes odoo/odoo#44502

X-original-commit: f03b4cb5576f264b6845242ba112f02422af4f5f
Signed-off-by: Martin Trigaux (mat) <mat@odoo.com>

addons/membership/models/partner.py

@@ -93,7 +93,7 @@ class Partner(models.Model):
                         state = 'old'
                         break
 
-            if partner.free_member and state is not 'paid':
+            if partner.free_member and state != 'paid':
                 state = 'free'
             partner.membership_state = state
 

odoo/addons/test_limits/models.py

@@ -36,10 +36,10 @@ class m(models.Model):
 
     @api.model
     def consume_cpu_time(self, seconds):
-        t0 = time.clock()
-        t1 = time.clock()
+        t0 = time.process_time()
+        t1 = time.process_time()
         while t1 - t0 < seconds:
             for i in range(10000000):
                 x = i * i
-            t1 = time.clock()
+            t1 = time.process_time()
         return True

odoo/fields.py

@@ -3576,9 +3576,9 @@ class Id(Field):
         # the code below is written to make record.id as quick as possible
         ids = record._ids
         size = len(ids)
-        if size is 0:
+        if size == 0:
             return False
-        elif size is 1:
+        elif size == 1:
             return ids[0]
         raise ValueError("Expected singleton: %s" % record)